RU2021130811A - Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки - Google Patents
Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки Download PDFInfo
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- RU2021130811A RU2021130811A RU2021130811A RU2021130811A RU2021130811A RU 2021130811 A RU2021130811 A RU 2021130811A RU 2021130811 A RU2021130811 A RU 2021130811A RU 2021130811 A RU2021130811 A RU 2021130811A RU 2021130811 A RU2021130811 A RU 2021130811A
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- Russia
- Prior art keywords
- band
- audio signal
- value
- audio
- frequency
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 17
- 238000012805 post-processing Methods 0.000 title claims 2
- 101100020619 Arabidopsis thaliana LATE gene Proteins 0.000 title 1
- 230000010354 integration Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 claims 23
- 230000003595 spectral effect Effects 0.000 claims 13
- 238000001914 filtration Methods 0.000 claims 7
- 230000017105 transposition Effects 0.000 claims 6
- 230000015572 biosynthetic process Effects 0.000 claims 5
- 238000003786 synthesis reaction Methods 0.000 claims 5
- 238000012952 Resampling Methods 0.000 claims 4
- 238000007781 pre-processing Methods 0.000 claims 4
- 230000003044 adaptive effect Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000012545 processing Methods 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 230000001052 transient effect Effects 0.000 claims 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862662296P | 2018-04-25 | 2018-04-25 | |
| US62/662,296 | 2018-04-25 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2020138079A Division RU2758199C1 (ru) | 2018-04-25 | 2019-04-25 | Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2021130811A true RU2021130811A (ru) | 2022-03-01 |
Family
ID=68294559
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2021130811A RU2021130811A (ru) | 2018-04-25 | 2019-04-25 | Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки |
| RU2020138079A RU2758199C1 (ru) | 2018-04-25 | 2019-04-25 | Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2020138079A RU2758199C1 (ru) | 2018-04-25 | 2019-04-25 | Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки |
Country Status (17)
| Country | Link |
|---|---|
| US (7) | US11562759B2 (fr) |
| EP (1) | EP3662469A4 (fr) |
| JP (3) | JP6908795B2 (fr) |
| KR (5) | KR102310937B1 (fr) |
| CN (6) | CN112204659B (fr) |
| AR (8) | AR114840A1 (fr) |
| AU (3) | AU2019257701A1 (fr) |
| BR (1) | BR112020021809A2 (fr) |
| CA (5) | CA3098295C (fr) |
| CL (1) | CL2020002746A1 (fr) |
| MA (1) | MA50760A (fr) |
| MX (6) | MX2020011212A (fr) |
| RU (2) | RU2021130811A (fr) |
| SG (1) | SG11202010367YA (fr) |
| TW (2) | TWI820123B (fr) |
| WO (1) | WO2019210068A1 (fr) |
| ZA (2) | ZA202006517B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW202341126A (zh) * | 2017-03-23 | 2023-10-16 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
| JP7257041B2 (ja) | 2019-10-28 | 2023-04-13 | 国立大学法人東北大学 | 推定装置、推定方法、及び、材料の製造方法 |
| CN113113032A (zh) * | 2020-01-10 | 2021-07-13 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
| CN113192523A (zh) * | 2020-01-13 | 2021-07-30 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
| CN114550732B (zh) * | 2022-04-15 | 2022-07-08 | 腾讯科技（深圳）有限公司 | 一种高频音频信号的编解码方法和相关装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
| SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| KR100648760B1 (ko) * | 2001-11-29 | 2006-11-23 | 코딩 테크놀러지스 에이비 | 고주파 재생 기술 향상을 위한 방법들 및 그를 수행하는 프로그램이 저장된 컴퓨터 프로그램 기록매체 |
| US7447631B2 (en) | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| US6792057B2 (en) | 2002-08-29 | 2004-09-14 | Bae Systems Information And Electronic Systems Integration Inc | Partial band reconstruction of frequency channelized filters |
| CN1989546B (zh) * | 2004-07-20 | 2011-07-13 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| EP2227682A1 (fr) * | 2007-11-06 | 2010-09-15 | Nokia Corporation | Un codeur |
| CN101458930B (zh) * | 2007-12-12 | 2011-09-14 | 华为技术有限公司 | 带宽扩展中激励信号的生成及信号重建方法和装置 |
| DE102008015702B4 (de) | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
| KR101230479B1 (ko) | 2008-03-10 | 2013-02-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 트랜지언트 이벤트를 갖는 오디오 신호를 조작하기 위한 장치 및 방법 |
| WO2010003539A1 (fr) | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Synthétiseur de signal audio et encodeur de signal audio |
| JP5203077B2 (ja) * | 2008-07-14 | 2013-06-05 | 株式会社エヌ・ティ・ティ・ドコモ | 音声符号化装置及び方法、音声復号化装置及び方法、並びに、音声帯域拡張装置及び方法 |
| TWI597938B (zh) * | 2009-02-18 | 2017-09-01 | 杜比國際公司 | 低延遲調變濾波器組 |
| CA2754671C (fr) | 2009-03-17 | 2017-01-10 | Dolby International Ab | Codage stereo avance base sur une combinaison d'un codage stereo gauche/droit ou milieu/cote selectionnable de facon adaptative et d'un codage stereo parametrique |
| TWI556227B (zh) * | 2009-05-27 | 2016-11-01 | 杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
| EP2273493B1 (fr) * | 2009-06-29 | 2012-12-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage avec extension de largeur de bande |
| US8515768B2 (en) | 2009-08-31 | 2013-08-20 | Apple Inc. | Enhanced audio decoder |
| EP3564954B1 (fr) | 2010-01-19 | 2020-11-11 | Dolby International AB | Transposition harmonique à base de bloc de sous-bande amélioré |
| BR122021014305B1 (pt) * | 2010-03-09 | 2022-07-05 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Aparelho e método para processar um sinal de áudio utilizando alinhamento de borda de patch |
| JP5854520B2 (ja) * | 2010-03-09 | 2016-02-09 | フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | オーディオ信号用の位相ボコーダに基づく帯域幅拡張方法における改善された振幅応答及び時間的整列のための装置及び方法 |
| ES2644974T3 (es) | 2010-07-19 | 2017-12-01 | Dolby International Ab | Procesamiento de señales de audio durante la reconstrucción de alta frecuencia |
| US9047875B2 (en) | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| US8996976B2 (en) | 2011-09-06 | 2015-03-31 | Microsoft Technology Licensing, Llc | Hyperlink destination visibility |
| EP2777042B1 (fr) | 2011-11-11 | 2019-08-14 | Dolby International AB | Suréchantillonnage utilisant une reproduction de bande spectrale (sbr) suréchantillonnée |
| WO2013088173A1 (fr) * | 2011-12-14 | 2013-06-20 | Wolfson Microelectronics Plc | Transfert de données |
| EP2631906A1 (fr) | 2012-02-27 | 2013-08-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Commande à cohérence de phase pour signaux harmoniques dans des codecs audio perceptuels |
| EP2881943A1 (fr) * | 2013-12-09 | 2015-06-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé permettant de décoder un signal audio codé avec des ressources de calcul faible |
| US9756448B2 (en) | 2014-04-01 | 2017-09-05 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| TW202242853A (zh) * | 2015-03-13 | 2022-11-01 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| GR1008810B (el) | 2015-03-19 | 2016-07-07 | Νικολαος Ευστρατιου Καβουνης | Φυσικος αφρωδης οινος με βιολογικο κροκο κοζανης |
| EP3208800A1 (fr) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé pour enregistrement stéréo dans un codage multi-canaux |
| EP3382700A1 (fr) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procede de post-traitement d'un signal audio à l'aide d'une détection d'emplacements transitoires |
| TWI809289B (zh) | 2018-01-26 | 2023-07-21 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
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2019
- 2019-04-25 BR BR112020021809-0A patent/BR112020021809A2/pt unknown
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- 2019-04-25 KR KR1020207033980A patent/KR102310937B1/ko active IP Right Grant
- 2019-04-25 CA CA3098295A patent/CA3098295C/fr active Active
- 2019-04-25 RU RU2020138079A patent/RU2758199C1/ru active
- 2019-04-25 TW TW112142356A patent/TW202410027A/zh unknown
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- 2019-04-25 WO PCT/US2019/029144 patent/WO2019210068A1/fr active Application Filing
- 2019-04-25 AR ARP190101096A patent/AR114840A1/es active IP Right Grant
- 2019-04-25 KR KR1020247008612A patent/KR20240042120A/ko unknown
- 2019-04-25 CN CN202111585681.9A patent/CN114242087A/zh active Pending
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- 2019-04-25 AU AU2019257701A patent/AU2019257701A1/en not_active Abandoned
- 2019-04-25 KR KR1020237025281A patent/KR102649124B1/ko active IP Right Grant
- 2019-04-25 KR KR1020227042164A patent/KR102560473B1/ko active IP Right Grant
- 2019-04-25 CN CN202111584446.XA patent/CN114242086A/zh active Pending
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- 2019-04-25 KR KR1020217031784A patent/KR102474146B1/ko active IP Right Grant
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- 2019-04-25 CA CA3152262A patent/CA3152262A1/fr active Pending
- 2019-04-25 EP EP19791884.0A patent/EP3662469A4/fr not_active Ceased
- 2019-04-25 JP JP2020559494A patent/JP6908795B2/ja active Active
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2020
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2021
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2022
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2023
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- 2023-03-03 US US18/178,412 patent/US11823695B2/en active Active
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2024
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